109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
/*****************************************************************
|
|
KWin - the KDE window manager
|
|
This file is part of the KDE project.
|
|
|
|
Copyright (C) 2007 Lubos Lunak <l.lunak@kde.org>
|
|
|
|
You can Freely distribute this program under the GNU General Public
|
|
License. See the file "COPYING" for the exact licensing terms.
|
|
******************************************************************/
|
|
|
|
#include "flame.h"
|
|
|
|
#include <deleted.h>
|
|
#include <scene_opengl.h>
|
|
|
|
namespace KWin
|
|
{
|
|
|
|
void FlameEffect::prePaintScreen( int* mask, QRegion* region, int time )
|
|
{
|
|
if( !windows.isEmpty())
|
|
*mask |= Scene::PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS;
|
|
effects->prePaintScreen(mask, region, time);
|
|
}
|
|
|
|
void FlameEffect::prePaintWindow( EffectWindow* w, int* mask, QRegion* paint, QRegion* clip, int time )
|
|
{
|
|
if( windows.contains( w ))
|
|
{
|
|
SceneOpenGL::Window* glwin = dynamic_cast< SceneOpenGL::Window* >( w->sceneWindow());
|
|
if( glwin )
|
|
{
|
|
if( windows[ w ] < 1 )
|
|
{
|
|
windows[ w ] += time / 500.;
|
|
*mask |= Scene::PAINT_WINDOW_TRANSFORMED;
|
|
glwin->enablePainting( Scene::Window::PAINT_DISABLED_BY_DELETE );
|
|
// Request the window to be divided into cells
|
|
glwin->requestVertexGrid( qMax( glwin->height() / 50, 5 ));
|
|
}
|
|
else
|
|
{
|
|
windows.remove( w );
|
|
static_cast< Deleted* >( w->window())->unrefWindow();
|
|
}
|
|
}
|
|
}
|
|
effects->prePaintWindow( w, mask, paint, clip, time );
|
|
}
|
|
|
|
void FlameEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
|
|
{
|
|
if( windows.contains( w ))
|
|
{
|
|
SceneOpenGL::Window* glwin = dynamic_cast< SceneOpenGL::Window* >( w->sceneWindow() );
|
|
if( glwin )
|
|
{
|
|
QVector< SceneOpenGL::Window::Vertex >& vertices = glwin->vertices();
|
|
QVector< SceneOpenGL::Window::Vertex > new_vertices;
|
|
double ylimit = windows[ w ] * w->height(); // parts above this are already away
|
|
assert( vertices.count() % 4 == 0 );
|
|
for( int i = 0;
|
|
i < vertices.count();
|
|
i += 4 )
|
|
{
|
|
bool is_in = false;
|
|
for( int j = 0;
|
|
j < 4;
|
|
++j )
|
|
if( vertices[ i + j ].pos[ 1 ] >= ylimit )
|
|
is_in = true;
|
|
if( !is_in )
|
|
continue;
|
|
for( int j = 0;
|
|
j < 4;
|
|
++j )
|
|
{
|
|
SceneOpenGL::Window::Vertex vertex = vertices[ i + j ];
|
|
new_vertices.append( vertex );
|
|
}
|
|
}
|
|
if( new_vertices.isEmpty())
|
|
return; // nothing to paint
|
|
glwin->vertices() = new_vertices;
|
|
glwin->markVerticesDirty();
|
|
}
|
|
}
|
|
effects->paintWindow( w, mask, region, data );
|
|
}
|
|
|
|
void FlameEffect::postPaintWindow( EffectWindow* w )
|
|
{
|
|
if( windows.contains( w ))
|
|
workspace()->addRepaint( w->geometry()); // workspace, since the window under it will need painting too
|
|
effects->postPaintScreen();
|
|
}
|
|
|
|
void FlameEffect::windowClosed( EffectWindow* c )
|
|
{
|
|
windows[ c ] = 0;
|
|
static_cast< Deleted* >( c->window())->refWindow();
|
|
}
|
|
|
|
void FlameEffect::windowDeleted( EffectWindow* c )
|
|
{
|
|
windows.remove( c );
|
|
}
|
|
|
|
} // namespace
|